Geographic Information of Consolidated Net Sales and Long-lived Assets (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 31, 2011	Sep. 30, 2011	Jun. 30, 2011	Mar. 31, 2011	Dec. 31, 2010	Sep. 30, 2010	Jun. 30, 2010	Mar. 31, 2010	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Revenues from External Customers and Long-Lived Assets [Line Items]
Net Sales	$ 1,907	$ 1,952	$ 1,933	$ 1,800	$ 1,559	$ 1,516	$ 1,526	$ 1,508	$ 7,592	$ 6,109	$ 5,228
Long-Lived Assets	1,285				1,351				1,285	1,351	1,549
U.S.
Revenues from External Customers and Long-Lived Assets [Line Items]
Net Sales									3,021	2,675	2,402
Long-Lived Assets	327				363				327	363	420
Other North America
Revenues from External Customers and Long-Lived Assets [Line Items]
Net Sales									364	285	257
Long-Lived Assets	147				162				147	162	178
North America
Revenues from External Customers and Long-Lived Assets [Line Items]
Net Sales									3,385	2,960	2,659
Long-Lived Assets	474				525				474	525	598
ITALY
Revenues from External Customers and Long-Lived Assets [Line Items]
Net Sales									755	517	378
Long-Lived Assets	64				70				64	70	80
GERMANY
Revenues from External Customers and Long-Lived Assets [Line Items]
Net Sales									434	360	333
Long-Lived Assets	123				135				123	135	155
Other Europe
Revenues from External Customers and Long-Lived Assets [Line Items]
Net Sales									905	702	537
Long-Lived Assets	157				168				157	168	188
Europe
Revenues from External Customers and Long-Lived Assets [Line Items]
Net Sales									2,094	1,579	1,248
Long-Lived Assets	344				373				344	373	423
BRAZIL
Revenues from External Customers and Long-Lived Assets [Line Items]
Net Sales									1,011	535	426
Long-Lived Assets	149				130				149	130	157
Other South America
Revenues from External Customers and Long-Lived Assets [Line Items]
Net Sales									323	304	372
Long-Lived Assets	84				75				84	75	129
South America
Revenues from External Customers and Long-Lived Assets [Line Items]
Net Sales									1,334	839	798
Long-Lived Assets	233				205				233	205	286
Asia Pacific
Revenues from External Customers and Long-Lived Assets [Line Items]
Net Sales									779	731	523
Long-Lived Assets	$ 234				$ 248				$ 234	$ 248	$ 242